Operating electrical equipment at higher and lower than optimum voltages leads to significantly higher energy consumption and possible damage to electrical lights & appliances.

Over voltage supply creates four detrimental situations:

1. You use and pay for more electricity than you need.
2. Your appliance works harder than it should and will therefore wear out faster.
3. You will produce more carbon emissions than you need.
4. Poor or bad power Harmonics can cause severe damage to new electronic/electrical 

   equipments and at least shorten the life expectancy of the appliance.

Under voltage supply creates three detrimental situations:

1. Some appliances will fail to operate if the voltage is too low.
2. Your appliances will demonstrate so many types of malfunction such as a poor quality

    picture on a television;  clothes not being washed or dried correctly, vacuum cleaners not

    cleaning correctly, steam irons not  getting hot enough, electric  water heaters taking far too

    long to heat the water etc.Some of your electric motors will overheat as they are not

    running at the correct voltage (especially washing machines, dishwashers, boiler pumps,

    fridges etc) and will wear out more faster and have much shorter lives.

Why does over and under voltage occur?

Over and under voltage is generally a chronic problem aggravated by a number of factors beyond the end user's control. Electric utilities try to maintain voltage levels delivered to customers at ±5%. However, factors like weather, high demand and others can cause the utility voltage to fall within a ±10% range. Even under ideal conditions, most customers will see a drop in utility voltage levels over the course of the day as demand begins to increase around 8 AM and peaks around 3 or 4 PM.

Distribution system characteristics can also contribute to chronically low voltage situations. For example, customers at the end of a long distribution line may be subject to a permanent voltage drop because line losses on top of the utility voltage variations.

PropSava Protection:

The PropSava protects all electrical equipment in the property from the ills of over and under voltage.It decreases the electrical cost of using electrical appliances and protects all the appliances from the damage caused by both over and under voltage. Electric costs could be reduced by up to 17% and the life expectancy of the electrical equipment in the property could be increased by up to 25%."A 230V linear appliance used on a 240V supply will take 4.3% more current and will consume almost 9% more energy.  (UK Electricians Guide 16th Edition BS7671)"

PropSava and Security of Supply:

A PropSava will optimise the power supply to the entire electrical load of a property because
it is installed at source.The PropSava has been designed with no moving parts. Voltage optimisation and power quality improvement is achieved through magnetic fields only, and the unit is as reliable as the incoming power supply itself. The unit requires no maintenance, is guaranteed for 10 years and will last for 10- 25 years.The PropSava has been field tested for two years and is efficient across its entire operating range.

What the PropSava does for Lighting:

Lighting loads tend to be switched on for a large proportion of the time, so savings on lighting equipment are very valuable."A 230V bulb used at 240V will achieve only 55% of its rated life. (UK, IEE Electricians Guide)"

The Environmental benefits of the PropSava:

Over-voltage is an under-publicised cause of power supply inefficiencies. The PropSava can reduce emissions by up to 17%.  We estimate that up to 90% of European businesses suffer

from over-voltage and would save energy by installing a PropSava. The contribution towards Europes carbon-cutting effort over the coming decades will be substantial.  In addition, a PropSava prolongs the operating life of electrical equipment, reducing non-recyclable waste.

PropSava Savings:

Based on the UK national average voltage (242V), the average optimisation level of a PropSava is 8%, this typically produces power consumption in Kilowatt per hour savings of 13%.

However, as the supply voltage does vary slightly across the country and each site will have different power consumption, savings can be seen between 10 - 17% on around 90% of UK

homes and offices.

Slightly lower figures can also be achieved in Europe with the average optimisation level at 6%, Kilowatt per hour savings of  9%, savings can be realised between 8 - 12% on around 70% of

European homes and offices.

   
Safety Certification:

The PropSava device is CE marked, and complies with EN55022, EN55024, 61000-3-2, 61000-3-3, IEC60950. It is also undergoing UL/cUL listed product status for North America (UL 508,

Industrial Control Equipment), and also undergoing Japanese (PSE/GSL) and NATA (Australian and S.E. Asian) and CCC (China) accreditation.

SPECIFICATIONS:  

Electrical:

• Capacity in VA (Watts): 12KVA
• Phases: Single Phase
• Regulation: Digital control Contactless Regulation (compensated).  

Input:

• Voltage: 120V +/-15% 60Hz
• Current: 120A max
• Circuit breaker rating: 200A 120/240V   

Output:

• Normal mode: 115V +/-1% 60Hz
• Optimize mode: 110V +/-1% 60Hz
• Current: 105A max
• Power efficiency: ≥97%
• Response time: 20ms
• Output wave: Sine wave, Waveform distortion less than 0.4%.    

Protection:

• Over voltage: yes
• Over load: yes
• By-pass: Automatic/Hand 

EMC and Safety:  

• FCC: PART15B
• LVD: UL1012

Other:

• Display: Digital meter shows output voltage and power
• Cooling: Temperature controlled, low noise, long life
• Working temperature: ≤65C
• Design Life: 10- 25 years subject to 10 year Service.
• Ambient temperature: -15 - 40C                     

Physical:                 

• Dimensions: 500mm (H) x500mm (W) x600mm (D)
• Weight:  90Kg
• Enclosure: IP22 for in house, IP66 for outside
• Feet: 4 wheels